Question9. Complete the table of values for this circuit: \begin{tabular}{|c|c|c|c|c|} \hline & $R_{1}$ & $R_{2}$ & $R_{3}$ & Total \\ \hline $\mathrm{U}, \mathrm{V}$ & 1,78 & 1,78 & 10,22 & 12 \\ \hline $\mathrm{I}, \mathrm{mA}$ & 8 & 13,75 & & 21,75 \\ \hline R & $220 \Omega$ & $130 \Omega$ & $470 \Omega$ & $551,7 \Omega$ \\ \hline P mV & & & & \\ \hline \end{tabular}

Studdy Solution
Calculate the power ($P$) for each resistor using $P = VI$.
For $R_1$:
$$P_1 = U_1 \times I_1 = 1.78 \, \text{V} \times 8 \, \text{mA} = 14.24 \, \text{mW}$$
For $R_2$:
$$P_2 = U_2 \times I_2 = 1.78 \, \text{V} \times 13.75 \, \text{mA} = 24.475 \, \text{mW}$$
For $R_3$:
$$P_3 = U_3 \times I_3 = 10.22 \, \text{V} \times 0 \, \text{mA} = 0 \, \text{mW}$$
Total Power:
$$P_{\text{Total}} = U_{\text{Total}} \times I_{\text{Total}} = 12 \, \text{V} \times 21.75 \, \text{mA} = 261 \, \text{mW}$$
The completed table of values is:
\begin{tabular}{|c|c|c|c|c|} \hline & R_{1} & R_{2} & R_{3} & Total \\ \hline \mathrm{U}, \mathrm{V} & 1.78 & 1.78 & 10.22 & 12 \\ \hline \mathrm{I}, \mathrm{mA} & 8 & 13.75 & 0 & 21.75 \\ \hline R & 220 \Omega & 130 \Omega & 470 \Omega & 551.7 \Omega \\ \hline P mV & 14.24 & 24.475 & 0 & 261 \\ \hline \end{tabular}